Home > IA > Black Hawk County > Waterloo > Zip 50703

Zip Code 50703 — Waterloo, IA

50703 is a ZIP Code associated with Waterloo, IA, located within Black Hawk. The postal region supports an estimated population of 17,952 residents across Data Pending housing units, with a population density of 74.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.548170, -92.281950)

Data MetricLocal Statistic
Postal / Zip Code50703
Primary CityWaterloo
State / ProvinceIA
CountyBlack Hawk
Total Population17,952
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density74.3 people/sq mi
TimezoneAmerica/Chicago

How 50703 Compares

MetricZIP 50703Black Hawk CountyIA State Average
Population17,952134,4413,210,984
Median IncomeData PendingN/AN/A
Population Density74.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 50623Dewar4.0 mi153N/A
Zip 50707Evansdale4.9 mi7,784N/A
Zip 50626Dunkerton6.1 mi1,468N/A
Zip 50667Raymond6.1 mi899N/A
Zip 50702Waterloo6.5 mi20,882N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →